CN215118799U

CN215118799U - Circuit breaker

Info

Publication number: CN215118799U
Application number: CN202120818372.0U
Authority: CN
Inventors: 裴军; 唐建; 齐辉; 李文洋; 吴昊; 殷平; 王广先; 刘震
Original assignee: Chint Electric Co Ltd
Current assignee: Chint Electric Co Ltd
Priority date: 2021-04-20
Filing date: 2021-04-20
Publication date: 2021-12-10
Anticipated expiration: 2031-04-20

Abstract

The utility model provides a circuit breaker, which comprises an outer shell the same one side of shell is equipped with panel and energy storage handle, energy storage handle passes the panel, the panel is connected with the shell locking, energy storage handle is connected with operating device and is used for the operating device energy storage, and energy storage handle can drive the panel and be connected with the shell locking and/or unblock locking energy storage handle has the function of energy storage and hasp panel simultaneously, when operating energy storage handle, both can be the operating device energy storage of circuit breaker, also can realize with the panel locking on the shell or make panel and shell remove the locking, a structure is simple, do benefit to the swift assembly of panel and dismantlement.

Description

Circuit breaker

Technical Field

The utility model relates to an electrical switch field, concretely relates to circuit breaker.

Background

The circuit breaker is an important switching device in a power system, and can connect and disconnect normal load current, an overload circuit and short-circuit current. At present, the handle of indoor medium voltage circuit breaker only is used for the energy storage of inside operating device, and current medium voltage circuit breaker's panel is through the screw assembly on the shell of circuit breaker, so when dismantling or fixed panel consuming time more, can not in time install or dismantle the panel, is unfavorable for the operator to use.

Disclosure of Invention

An object of the utility model is to overcome prior art's defect, provide a circuit breaker that can swiftly dismouting panel.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a circuit breaker, includes the shell be equipped with panel and energy storage handle with one side of shell, the energy storage handle passes the panel, and the panel is connected with the shell locking, and the energy storage handle is connected with operating device and is used for operating device energy storage to the energy storage handle can drive panel and shell locking and be connected and/or unblock locking.

The energy storage handle drives the locking assembly to lock and/or unlock through the interlocking assembly.

Furthermore, the interlocking assembly comprises a function adjusting rod, when the function adjusting rod is located at the energy storage position, the interlocking assembly releases the linkage between the energy storage handle and the lock catch assembly, when the function adjusting rod is located at the unlocking position, the interlocking assembly enables the energy storage handle to be linked with the lock catch assembly, and the energy storage handle is operated to swing to enable the lock catch assembly to be locked and/or unlocked.

Further, the hasp subassembly includes at least one hasp and connects the reset spring between hasp and shell, the lateral wall and the panel cooperation of shell are passed to one end of hasp, and the other end of hasp passes through interlocking subassembly and energy storage handle linkage and is connected.

Further, the hasp is linear motion, the hasp subassembly still includes the guide holder that provides the guide effect for the hasp be equipped with the guiding hole that supplies the hasp cross-under on the guide holder.

Furthermore, the interlocking assembly further comprises a connecting structure matched with the energy storage handle, the connecting structure is connected between the function adjusting rod and the lock catch assembly, and when the position of the function adjusting rod is switched, the connecting structure can be linked with the energy storage handle or can be decoupled from the energy storage handle, so that the energy storage handle and the lock catch assembly can be linked or decoupled from the energy storage handle.

Further, connection structure is including connecting the rope, connects the rope and connects between function regulation pole and hasp, when the function regulation pole is in the energy storage position, connects to have redundancy volume between rope and the function regulation pole to make the energy storage handle swing can not drive the hasp subassembly, when the function regulation pole is in the unblock position, connects the rope and is in taut state, makes the energy storage handle can drive the hasp subassembly.

Further, the hasp subassembly includes the hasp of a pair of relative setting, and connection structure includes that first connecting rope and second connect the rope, first connecting rope connects between two hasps, and the second is connected the rope and is connected between first connecting rope and function regulation pole, the interlocking subassembly still includes at least one positioning seat the middle part of positioning seat is equipped with the locating hole that supplies the second to connect the rope and slide and pass.

Further, the hasp is linear motion, first connecting rope sets up along the inside avris of shell, and first connecting rope is parallel with the direction of motion of hasp.

Further, be equipped with the draw-in groove on the energy storage handle, the one end of function adjusting rod slides and passes the draw-in groove and can with the both ends joint of draw-in groove, the one end of draw-in groove is as the energy storage position, the other end of draw-in groove is as the unblock position.

The utility model discloses a circuit breaker, its energy storage handle have the function of energy storage and hasp panel simultaneously, when operation energy storage handle, both can be for the operating device energy storage of circuit breaker, also can realize with the panel locking on the shell or make panel and shell remove the locking, its simple structure does benefit to the swift assembly of panel and dismantlement.

In addition, the energy storage handle enables the panel and the shell to be locked and connected or unlocked through the interlocking device, the interlocking device comprises an interlocking component and a locking component, and the interlocking device is simple in connection relation and low in cost; especially, the function adjusting rod of the interlocking assembly is matched with the energy storage handle to switch positions, so that the energy storage function of the energy storage handle and the function of assembling and disassembling the panel are switched, and the mutual interference among the functions of the energy storage handle is avoided.

In addition, the connecting structure in the lock catch assembly consists of a connecting rope, and the connecting rope can be arranged along the edge of the shell, so that the occupied space is small and the cost is low; in addition, the lock catch in the lock catch component is matched with the reset spring and the guide structure to enable the lock catch to move along a straight line, and the stability and the reliability of lock catch action are guaranteed.

Drawings

Fig. 1 is a schematic structural diagram of a circuit breaker according to the present invention;

fig. 2 is a schematic structural diagram of a circuit breaker according to the present invention;

fig. 3 is a schematic structural diagram of a circuit breaker according to the present invention (without a panel);

fig. 4 is a schematic structural diagram of an interlock apparatus in a circuit breaker according to the present invention;

fig. 5 is a schematic structural diagram of an energy storage handle in the circuit breaker of the present invention.

Detailed Description

The following describes a circuit breaker according to an embodiment of the present invention with reference to fig. 1 to 5. The present invention is not limited to the description of the following embodiments.

The utility model provides a circuit breaker, includes shell 1 same one side of shell 1 is equipped with panel 3 and energy storage handle 2, and energy storage handle 2 passes panel 3, and panel 3 is connected with shell 1 locking, and energy storage handle 2 is connected with operating device 5 and is used for operating device 5 energy storage to energy storage handle 2 can drive panel 3 and shell 1 locking connection and/or unblock locking.

The utility model discloses a circuit breaker, its energy storage handle have energy storage and hasp panel 3's function simultaneously 2, when operation energy storage handle 2, both can be for the operating device energy storage of circuit breaker, also can realize with panel 3 locking on shell 1 or make panel 3 and shell 1 remove the locking, its simple structure does benefit to the swift assembly of panel 3 and dismantles.

An embodiment of a circuit breaker is provided with reference to fig. 1-5, the circuit breaker includes a housing 1, a contact mechanism for controlling on/off of a circuit is disposed in the housing 1, an energy storage handle 2 and a panel 3 are disposed on the same side of the housing 1, the energy storage handle 2 is connected with an operating mechanism 5, the energy storage handle 2 is used for storing energy for the operating mechanism by repeatedly swinging, an edge of the panel 3 is bent towards the housing 1 to form a side edge 31, in this embodiment, a lower portion of two side edges of the panel 3 forms a side edge 31 matched with a side wall of the housing 1, as shown in fig. 1 and 2, the side edge 31 is formed by extending and bending outward from left and right side edges of the panel 3 to form a plate-shaped structure parallel to a left side wall 12 and a right side wall 11 of the housing 1, preferably, an upper edge of the panel 3 is bent to be matched with the housing 1, so that the panel 3 can be hung on one side of the housing 1, to increase assembly stability.

The energy storage handle 2 has an energy storage function, and can lock and connect the panel 3 to the housing 1 or unlock and connect the panel 3 and the housing 1. In this embodiment, energy storage handle 2 passes through interlock realization to quick assembly disassembly of panel 3, interlock includes interlocking subassembly and hasp subassembly, and wherein interlocking subassembly is connected with energy storage handle 2, and panel 3 passes through the hasp subassembly with shell 1 to be connected, and energy storage handle 2 drives the locking subassembly locking and/or unblock through operation interlocking subassembly.

Wherein the interlocking subassembly including respectively can with energy storage handle 2 complex connection structure and function adjusting rod 47, wherein connection structure connects between function adjusting rod 47 and hasp subassembly, and function adjusting rod 47 realizes switching the energy storage with the function switching of dismouting panel 3 with energy storage handle 2 cooperation, promptly, makes function adjusting rod 47 switch each other with the unblock position in the energy storage position. When the function adjusting rod 47 is in the energy storage position, the interlocking assembly releases the linkage between the energy storage handle 2 and the locking assembly, i.e. the connecting structure cannot drive the locking assembly to act, the swinging of the energy storage handle 2 cannot drive the locking assembly to act, and the energy storage handle 2 is operated to enable the operating mechanism 5 to store energy; when the function adjusting rod 47 is located at the unlocking position, the interlocking assembly enables the energy storage handle 2 to be linked with the locking assembly through the connecting structure, and the energy storage handle 2 is operated to swing to enable the locking assembly to be locked and/or unlocked.

The lock catch assembly comprises at least one lock catch 41 and a return spring 46 connected between the lock catch 41 and the shell 1, one end of the lock catch 41 penetrates through the side wall of the shell 1 to be matched with the panel 3, specifically matched with the side edge 31 formed by the edge of the panel 3, the other end of the lock catch 41 is in linkage connection with the energy storage handle 2 through the interlocking assembly, and two ends of the return spring 46 are respectively connected with the other end of the lock catch 41 and the inner side of the shell 1, so that when the energy storage handle 2 is operated, the lock catch 41 is driven by the interlocking assembly and the return spring 46 to lock or unlock the panel 3, and preferably, the lock catch 41 performs linear motion under the effects of the interlocking assembly and the return spring 46. The connection structure is including connecting the rope, connects the rope and connects between function regulation pole 47 and hasp 41, and when function regulation pole 47 was in the energy storage position, it had the redundancy volume to make energy storage handle 2 swing can not drive the hasp subassembly to connect between rope and the function regulation pole 47, and when function regulation pole 47 was in the unblock position, the redundancy volume was got rid of to the taut connection rope of function regulation pole 47, and energy storage handle 2 can drive the hasp subassembly.

The specific structure of the first interlocking device of this embodiment is provided with reference to fig. 3 and 4, and is also a preferred interlocking device structure, the interlocking device includes an interlocking component and a locking component, where the interlocking component includes a connecting structure and a function adjusting rod 47, the connecting structure includes a first connecting rope 42 and a second connecting rope 44, where the first connecting rope 42 is used for being connected with the locking component in an interlocking manner, the second connecting rope 44 connects the first connecting rope 42 and the function adjusting rod 47 together, preferably, as shown in fig. 5, a clamping groove 21 is provided on the energy storage handle 2, the clamping groove 21 is in a dumbbell shape with two thick ends and a thin middle part, one end of the function adjusting rod 47 slides through the clamping groove 21 to be connected with the second connecting rope 44, the other end of the function adjusting rod 47 can be respectively clamped with two ends of the clamping groove 21, the two ends of the clamping groove 21 respectively serve as an energy storage position and an unlocking position, the upper end of the clamping groove 21 in the drawing is an energy storage position, the lower end of the card slot 21 is an unlocking position.

Preferably, the first connecting rope 42 and the second connecting rope 44 are nylon ropes, polyester ropes, brake lines or plastic ropes, so that when the function adjusting rod 47 slides to the energy storage position, a redundant amount is provided between the second connecting rope 44 and the function adjusting rod 47, that is, the second connecting rope 44 is in a loose state at the moment, the energy storage handle 2 can be operated to store energy, and the second connecting rope 44 cannot drive the first connecting rope 42, so that the locking assembly cannot move at the moment; slide function adjusting lever 47 to the unblock position, second connection rope 44 is taut by function adjusting lever 47 this moment, and when operation energy storage handle 2 carried out upwards or swing downwards, first connection rope 42 was drawed to second connection rope 44, and first connection rope 42 can drive the hasp subassembly action of being connected with it in order to lock or unblock panel 3.

Furthermore, the interlocking component further comprises a positioning structure, the positioning structure is used for limiting the action direction of the connecting structure, the positioning structure comprises at least one positioning seat 45, a positioning hole for the connecting structure to pass through is formed in the middle of the positioning seat 45, preferably, as shown in fig. 3 and 4, the positioning structure comprises two positioning holes which are arranged on the inner side of the lower side wall of the shell 1 at intervals, and the central axes of the two positioning holes are overlapped.

The latch assembly of this embodiment includes a pair of latches 41 and two return springs 46 respectively connected to the latches 41, the two latches 41 respectively corresponding to the opposite sidewalls of the housing 1, the left side wall 12 and the right side wall 11 of the corresponding shell 1, the side wall of the shell 1 and the side 31 of the two sides of the panel 3 are respectively penetrated by one end of each of the two latches 41, the other ends of the two latches 41 are connected together through the first connecting rope 42, preferably, the first connecting rope 42 is arranged along the inner side of the shell 1, the space occupied by the interlocking device is favorably reduced, the other ends of the two latches 41 are respectively connected with the shell 1 through one return spring 46, and the pair of latches 41 are driven by the energy storage handle 2 to perform opposite or separated linear motion under the combined action of the first connecting rope 42, the second connecting rope 44 and the return spring 46, so that the panel 3 is unlocked or locked.

As shown in fig. 3 and 4, the latch 41 includes a long arm and a short arm, the long arm is connected to one end of the short arm to form an L-shaped latch 41, the other end of the short arm is connected to the first connecting rope 42 and the return spring 46, the other end of the return spring 46 is connected to the side wall of the housing 1 corresponding to the other end of the long arm, so that the long arm and the return spring 46 are both disposed along the inner side of the housing 1 parallel to the panel 3, i.e. along the front side wall of the housing 1 in the figure, the long arms of the two latches 41 respectively pass through the left side wall 12 and the right side wall 11 of the housing 1, an open slot serving as a limit slot is disposed at a position of the long arm near the end of the other end, the limit slot can accommodate one side wall and one side edge 31, the opening direction of the limit slot can be toward the upper, lower, front or rear direction, preferably the opening of the limit slot is disposed upward, taking the latch 41 on the right side in fig. 3 and 4 as an example, a limit groove with an upward opening is formed on the right side of the long arm, and the right end of the long arm penetrates through the right side wall 11, so that the right side wall 11 and the side edge 31 on the right side of the panel 3 can be accommodated in the limit groove.

When the energy storage handle 2 is at the unlocking position, the energy storage handle 2 is swung downwards to enable the pair of lock catches 41 to move in opposite directions under the action of the interlocking assembly, the return spring 46 generates elastic deformation along with the movement of the lock catches 41 to release the acting force applied between the right side wall 11 and the right side wall 31 to enable the panel 3 to be unlocked, and then when the energy storage handle 2 is swung upwards and the pair of lock catches 41 move in opposite directions under the action of the interlocking assembly, the return spring 46 restores to the original state along with the movement of the lock catches 41 and applies acting force to the right side wall 11 to enable the side walls 31 and the right side wall 11 to be locked together.

Further, the locking assembly further comprises a guide structure arranged in the housing 1, the locking device 41 is matched with the guide structure to move linearly in the housing 1, the guide structure preferably comprises at least one guide seat 43, a guide hole for the locking device 41 to pass through is formed in the middle of the guide seat 43, in fig. 3 and 4, the two guide seats 43 are arranged on the left side and the right side of the housing 1 at intervals respectively, and the middle of the long arm of the locking device 41 slides through the guide hole.

Of course, the interlock device 4 may also only include a single latch 41, an interlock component and a return spring 46, the single latch 41 is only locked with the side wall of the housing 1 and the side edge 31 of the panel 3 in a matching manner, the interlock component is the same as the latches 41 arranged in pairs, the interlock component still includes a first connecting rope 42, a second connecting rope 44 and a function adjusting rod 47, one end of the first connecting rope 42 is connected with the latch 41, the other end of the first connecting rope 42 is connected with the housing 1, the rest of the connection manner and the linkage principle are the same as those of the two latches 41, the linkage structure and the action principle of the interlock component and the energy storage handle 2 are also the same, but the panel 3 is not as stable as the two-sided locking only by the one-sided locking.

The second interlock device of the present embodiment is provided, the interlock device includes an interlock component and a lock catch component, the interlock component includes a function adjusting lever 47 and a connecting structure composed of connecting rods, the lock catch component is the same as the lock catch component and the locking principle of the first interlock device, and the lock catch 41 is connected with the function adjusting lever 47 through the connecting rods. The connecting structure comprises a first connecting rod and a second connecting rod which are in snap fit, the first connecting rod is connected with the energy storage handle 2, the second connecting rod is connected with the latch 41, when the function adjusting rod 47 is located at an energy storage position, the function adjusting rod 47 pushes the first connecting rod and the second connecting rod to remove the snap fit, the latch 41 cannot be driven by the operation of swinging of the energy storage handle 2, when the function adjusting rod 47 is located at an unlocking position, the function adjusting rod 47 or a connecting rod spring drives the first connecting rod and the second connecting rod to be in snap fit, and the latch assembly is locked and/or unlocked by the operation of swinging of the energy storage handle 2. Compared with a connecting structure consisting of connecting ropes, the connecting rod occupies more space in the shell 1, and the cost is relatively high.

The third interlocking device of the embodiment is provided, the interlocking device comprises an interlocking component and a locking component, wherein the interlocking component is the same as the first interlocking device, and comprises a function adjusting rod 47 and a connecting structure formed by connecting ropes, the connecting rod connects the two locks 41 and the function adjusting rod 47 together, the locking component comprises at least one lock 41, one end of the lock 41 is rotatably installed on the inner side of the shell 1, and the other end of the lock 41 is provided with a limiting groove and penetrates through one side wall of the shell 1.

When energy storage handle 2 is in the unblock position, operation energy storage handle 2 swings and makes hasp 41 take place to rotate under the effect of interlocking subassembly, goes into the spacing inslot simultaneously as the side 31 of panel 3 and the one side lateral wall of shell 1, and panel 3 is locked on shell 1, and when the side 31 of panel 3 and the one side lateral wall of shell 1 moved out the spacing groove, panel 3 and shell 1 unblock.

In addition, a fourth interlocking device of the present embodiment, that is, the link structure of the second embodiment can be provided to cooperate with the rotating latch 41 of the third embodiment.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. The utility model provides a circuit breaker, includes shell (1) be equipped with panel (3) and energy storage handle (2) with one side of shell (1), energy storage handle (2) pass panel (3), and panel (3) are connected its characterized in that with shell (1) locking: the energy storage handle (2) is connected with the operating mechanism (5) and used for storing energy in the operating mechanism (5), and the energy storage handle (2) can drive the panel (3) to be in locking connection with the shell (1) and/or be unlocked and locked.

2. A circuit breaker according to claim 1, wherein: the energy-saving door lock further comprises an interlocking device (4), the interlocking device (4) comprises an interlocking assembly and a lock catch assembly, the panel (3) is connected with the shell (1) in a locking mode through the lock catch assembly, and the energy storage handle (2) drives the lock catch assembly to be locked and/or unlocked through the interlocking assembly.

3. A circuit breaker according to claim 2, wherein: the interlocking assembly comprises a function adjusting rod (47), when the function adjusting rod (47) is located at an energy storage position, the interlocking assembly releases linkage between the energy storage handle (2) and the locking assembly, when the function adjusting rod (47) is located at an unlocking position, the interlocking assembly enables the energy storage handle (2) to be linked with the locking assembly, and the energy storage handle (2) is operated to swing to enable the locking assembly to be locked and/or unlocked.

4. A circuit breaker as claimed in claim 2 or 3, wherein: the lock catch assembly comprises at least one lock catch (41) and a return spring (46) connected between the lock catch (41) and the shell (1), one end of the lock catch (41) penetrates through the side wall of the shell (1) to be matched with the panel (3), and the other end of the lock catch (41) is in linkage connection with the energy storage handle (2) through the interlocking assembly.

5. A circuit breaker according to claim 4, wherein: the lock catch (41) moves linearly, the lock catch assembly further comprises a guide seat (43) for providing a guide effect for the lock catch (41), and a guide hole for the lock catch (41) to penetrate is formed in the guide seat (43).

6. A circuit breaker according to claim 3, wherein: the interlocking assembly further comprises a connecting structure matched with the energy storage handle (2), the connecting structure is connected between the function adjusting rod (47) and the lock catch assembly, and when the position of the function adjusting rod (47) is switched, the connecting structure can be linked with the energy storage handle (2) or can be decoupled from the energy storage handle, so that the energy storage handle (2) and the lock catch assembly can be linked or decoupled from the energy storage handle.

7. A circuit breaker according to claim 6, wherein: the connecting structure comprises a connecting rope, the connecting rope is connected between the function adjusting rod (47) and the lock catch (41), when the function adjusting rod (47) is located at an energy storage position, redundancy exists between the connecting rope and the function adjusting rod (47) to enable the energy storage handle (2) to swing and not to drive the lock catch assembly, when the function adjusting rod (47) is located at an unlocking position, the connecting rope is in a tensioning state, and the energy storage handle (2) can drive the lock catch assembly.

8. A circuit breaker according to claim 7, wherein: the hasp subassembly includes hasp (41) of a pair of relative setting, and connection structure includes that first connecting rope (42) and second connect rope (44), first connecting rope (42) are connected between two hasps (41), and second connecting rope (44) are connected between first connecting rope (42) and function regulation pole (47), the interlocking subassembly still includes at least one positioning seat (45) the middle part of positioning seat (45) is equipped with the locating hole that supplies second connecting rope (44) to slide and pass.

9. A circuit breaker according to claim 8, wherein: the lock catch (41) is in linear motion, the first connecting rope (42) is arranged along the inner side of the shell (1), and the first connecting rope (42) is parallel to the moving direction of the lock catch (41).

10. A circuit breaker according to claim 3, wherein: be equipped with draw-in groove (21) on energy storage handle (2), the one end of function adjusting pole (47) slides and passes draw-in groove (21) and can with the both ends joint of draw-in groove (21), the energy storage position is regarded as to the one end of draw-in groove (21), the other end of draw-in groove (21) is regarded as the unblock position.